This logo displays an outline of a male human head with its mouth slightly open, as if speaking. From the mouth, a zigzag pattern emerges, which is signifying sound waves travelling outward.

This is a Voice icon. We've made it in iOS style, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,300 icons, all in the same style and quality.